/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.l2emu.gameserver.model.actor.instance;

import java.util.StringTokenizer;

import com.l2emu.gameserver.ai.CtrlIntention;
import com.l2emu.gameserver.model.L2Clan;
import com.l2emu.gameserver.network.serverpackets.ActionFailed;
import com.l2emu.gameserver.network.serverpackets.MyTargetSelected;
import com.l2emu.gameserver.network.serverpackets.NpcHtmlMessage;
import com.l2emu.gameserver.network.serverpackets.ValidateLocation;
import com.l2emu.gameserver.templates.chars.L2NpcTemplate;


public final class L2MercManagerInstance extends L2MerchantInstance
{
    //private static Logger _log = Logger.getLogger(L2MercManagerInstance.class.getName());

    private static final int COND_ALL_FALSE = 0;
    private static final int COND_BUSY_BECAUSE_OF_SIEGE = 1;
    private static final int COND_OWNER = 2;

    public L2MercManagerInstance(int objectId, L2NpcTemplate template)
    {
        super(objectId, template);
    }

	@Override
	public void onAction(L2PcInstance player)
	{
		if (!canTarget(player)) return;
		player.setLastFolkNPC(this);

		// Check if the L2PcInstance already target the L2NpcInstance
		if (this != player.getTarget())
		{
			// Set the target of the L2PcInstance player
			player.setTarget(this);

			// Send a Server->Client packet MyTargetSelected to the L2PcInstance player
			MyTargetSelected my = new MyTargetSelected(getObjectId(), 0);
			player.sendPacket(my);

			// Send a Server->Client packet ValidateLocation to correct the L2NpcInstance position and heading on the client
			player.sendPacket(new ValidateLocation(this));
		}
		else
		{
			// Calculate the distance between the L2PcInstance and the L2NpcInstance
			if (!canInteract(player))
			{
				// Notify the L2PcInstance AI with AI_INTENTION_INTERACT
				player.getAI().setIntention(CtrlIntention.AI_INTENTION_INTERACT, this);
			} 
			else 
			{
				showMessageWindow(player);
			}
		}
		// Send a Server->Client ActionFailed to the L2PcInstance in order to avoid that the client wait another packet
		player.sendPacket(ActionFailed.STATIC_PACKET);
	}

    @Override
    public void onBypassFeedback(L2PcInstance player, String command)
    {
        int condition = validateCondition(player);
        if (condition <= COND_ALL_FALSE) return;

        if (condition == COND_BUSY_BECAUSE_OF_SIEGE) return;
        else if (condition == COND_OWNER)
        {
            StringTokenizer st = new StringTokenizer(command, " ");
            String actualCommand = st.nextToken(); // Get actual command

            String val = "";
            if (st.countTokens() >= 1)
            {
                val = st.nextToken();
            }

            if (actualCommand.equalsIgnoreCase("hire"))
            {
                if (val.isEmpty()) return;

                showBuyWindow(player, Integer.parseInt(val));
                return;
            }
        }

        super.onBypassFeedback(player, command);
    }

    public void showMessageWindow(L2PcInstance player)
    {
        String filename = "data/html/mercmanager/mercmanager-no.htm";

        int condition = validateCondition(player);
        if (condition == COND_BUSY_BECAUSE_OF_SIEGE) filename = "data/html/mercmanager/mercmanager-busy.htm"; // Busy because of siege
        else if (condition == COND_OWNER) // Clan owns castle
            filename = "data/html/mercmanager/mercmanager.htm"; // Owner message window

        NpcHtmlMessage html = new NpcHtmlMessage(getObjectId());
        html.setFile(filename);
        html.replace("%objectId%", String.valueOf(getObjectId()));
        html.replace("%npcId%", String.valueOf(getNpcId()));
        html.replace("%npcname%", getName());
        player.sendPacket(html);
    }

    private int validateCondition(L2PcInstance player)
    {
        if (getCastle() != null && getCastle().getCastleId() > 0)
        {
            if (player.getClan() != null)
            {
                if (getCastle().getSiege().getIsInProgress()) return COND_BUSY_BECAUSE_OF_SIEGE; // Busy because of siege
                else if (getCastle().getOwnerId() == player.getClanId()) // Clan owns castle
                {
                    if ((player.getClanPrivileges() & L2Clan.CP_CS_MERCENARIES) == L2Clan.CP_CS_MERCENARIES) return COND_OWNER;
                }
            }
        }

        return COND_ALL_FALSE;
    }
}
